Main components: 2.5-bis(5-tert-butyl-2-benzoxazolyl)thiophene performance and characteristics: 1, small dosage, high whitening strength. 2, suitable for various plastic brighteners. 3, has good compatibility with plastics, high temperature and weather resistance, light fastness. Scope of application: 1, especially suitable for whitening of plastics such as polyolefin, polyamide and polyacrylonitrile. 2, widely used in film, injection molding and extrusion molding materials. Application method: Recommended dosage: Add about OB20 of whitening agent per 100 kg of plastic, the specific dosage is adjusted according to the formula. Technical indicators: Appearance: light yellow powder, shade: blue-white, purity: ≧98%, melting point: 200-220 ° C, fineness: >100 mesh. Packing and storage: 25kg cardboard drum, stored in a cool, dry place away from light.
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